2542423453 has 4 divisors (see below), whose sum is σ = 2584102588. Its totient is φ = 2500744320.

The previous prime is 2542423441. The next prime is 2542423493. The reversal of 2542423453 is 3543242452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86527204 + 2455896249 = 9302^2 + 49557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542423453 - 2²¹ = 2540326301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542423493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20839476 + ... + 20839597.

It is an arithmetic number, because the mean of its divisors is an integer number (646025647).

Almost surely, 2^2542423453 is an apocalyptic number.

It is an amenable number.

2542423453 is a deficient number, since it is larger than the sum of its proper divisors (41679135).

2542423453 is an equidigital number, since it uses as much as digits as its factorization.

2542423453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41679134.

The product of its digits is 115200, while the sum is 34.

The square root of 2542423453 is about 50422.4498908968. The cubic root of 2542423453 is about 1364.8427863501.

The spelling of 2542423453 in words is "two billion, five hundred forty-two million, four hundred twenty-three thousand, four hundred fifty-three".